-------------------------------------------------------------------------------
      name:  <unnamed>
       log:  /Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urp
> elainen Zhang)/JOP/UZ_JOP2021_Replication/Analysis/logSTATA/012_analysis_Texa
> s.smcl
  log type:  smcl
 opened on:   6 Nov 2021, 20:34:30

. 
. 
. *****************************************************************************
> **
. /*                                        URPELAINEN & ZHANG 2021            
>                                     */
. *****************************************************************************
> **
. 
. /* 
> 
> File Name:      012_analysis_Texas.do
> 
> By:                             Alice Tianbo Zhang (alice.tianbo.zhang@gmail.
> com)
> 
> Last Edited:    10/11/2021
> 
> Purpose:                
> 
> Data Used:      votes_wind_panel_Texas.dta
> 
> Program Used:   - reghdfe -
> 
> */
. 
. 
. *****************************************************************************
> **
. /*                                      TABLE A11                            
>                                         */
. *****************************************************************************
> **
. 
. ** Load election district panel
. cd "$rootDir/$dataDir/Final"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Data/Final

. use election_district_panel_Texas.dta, clear

. 
. // Note: Election data from 2004 - 2010; corresponds to stable congressional 
> district boundaries 
. 
. ** Create instrument and fixed effects
. gen t = year - 2004

. gen inter = t * mean_wp

. 
. egen stateyear_fixed = group(state year)

. egen district_fixed = group(state district)

. 
. gen cum_lncapacity_turbine = log(cum_capacity_turbine + 1)

. gen cum_lncount_turbine = log(cum_count_turbine +1 )

. 
. gen turnout = votes1 + votes2 + votes3 + votes4

. gen lnturnout = log(turnout)
(1 missing value generated)

. 
. local outcome demvotesmajorpercent repvotesmajorpercent incumbvotesmajorperce
> nt turnout lnturnout // outcome variable 

. local endogenous cum_capacity_turbine cum_count_turbine cum_lncapacity_turbin
> e cum_lncount_turbine // endogenous variable

. local instrument inter // instrument

. local admin1_trend stateyear_fixed // geography * time trend

. local admin2 district_fixed // panel unit (cluster variable)

. 
. foreach y in `outcome' {
  2.         // Create outcome variable label for storing estimates
.         local y_name = substr("`y'", 1, 3)
  3.         
.         foreach x in `endogenous' {
  4.                         // Create endogenous variable label for storing es
> timates
.                         tokenize "`x'", parse("_")
  5.                         local x_name "`3'"
  6.                         di "`x_name'"
  7.                         
.                         // Run IV regression
.                         reghdfe `y' (`x' = `instrument'), absorb(`admin1_tren
> d' `admin2') ffirst stages(first ols reduced) vce(cluster `admin2') old
  8.                         
.                         // Store IV, first stage, OLS, reduced form estimates
.                         estimates store `y_name'_`x_name'_iv
  9.                         estimates restore reghdfe_first1
 10.                         estimates store `y_name'_`x_name'_first
 11.                         estimates restore reghdfe_ols
 12.                         estimates store `y_name'_`x_name'_ols
 13.                         estimates restore reghdfe_reduced
 14.                         estimates store `y_name'_`x_name'_reduced
 15.                 }
 16. }
capacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       7.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0060
                                                  R-squared       =     0.7341
                                                  Adj R-squared   =     0.6018
                                                  Within R-sq.    =     0.1020
Number of clusters (district_fixed) =        319  Root MSE        =   180.8348

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   55.07583   19.88988     2.77   0.006     15.94345    94.20821
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       0.72
Statistics robust to heteroskedasticity           Prob > F        =     0.3957
                                                  R-squared       =     0.8838
                                                  Adj R-squared   =     0.8260
                                                  Within R-sq.    =     0.0008
Number of clusters (district_fixed) =        319  Root MSE        =     9.5934

                               (Std. Err. adjusted for 319 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
demvotesmajorpercent |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |    .001403   .0016498     0.85   0.396    -.0018428    .
> 0046489
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          103             103              0     | 
      district_fixed |            0             319            319 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      10.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0017
                                                  R-squared       =     0.8849
                                                  Adj R-squared   =     0.8276
                                                  Within R-sq.    =     0.0099
Number of clusters (district_fixed) =        319  Root MSE        =     9.5493

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
demvotesma~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8652173   .2734199     3.16   0.002     .3272767    1.403158
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_capacity |       7.67    0.0060 |        8.37   0.0038 |        7.67

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=7.08     P-val=0.0078

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     132.48
Kleibergen-Paap Wald rk F statistic                                 7.67

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=      10.01     P-val=0.0017
Anderson-Rubin Wald test           Chi-sq(1)=     10.93     P-val=0.0009
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     4.17
                                                      Prob > F      =   0.0420
Total (centered) SS     =   78105.0974                Centered R2   =   0.8744
Total (uncentered) SS   =   78105.0974                Uncentered R2 =        .
Residual SS             =  84364.48599                Root MSE      =    9.974

-------------------------------------------------------------------------------
-------
                     |               Robust
demvotesmajorpercent |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0157096    .007695     2.04   0.042     .0005699    .
> 0308492
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):              7.084
                                                   Chi-sq(1) P-val =    0.0078
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              132.484
                         (Kleibergen-Paap rk Wald F statistic):          7.668
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          103             103              0     | 
      district_fixed |            0             319            319 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       6.92
Statistics robust to heteroskedasticity           Prob > F        =     0.0089
                                                  R-squared       =     0.9493
                                                  Adj R-squared   =     0.9241
                                                  Within R-sq.    =     0.0960
Number of clusters (district_fixed) =        319  Root MSE        =   112.5290

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   33.14829   12.59721     2.63   0.009     8.363888    57.93268
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       0.66
Statistics robust to heteroskedasticity           Prob > F        =     0.4184
                                                  R-squared       =     0.8838
                                                  Adj R-squared   =     0.8260
                                                  Within R-sq.    =     0.0007
Number of clusters (district_fixed) =        319  Root MSE        =     9.5938

                            (Std. Err. adjusted for 319 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
demvotesmajorpe~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0021405   .0026417     0.81   0.418    -.0030569    .007
> 3378
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          103             103              0     | 
   district_fixed |            0             319            319 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      10.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0017
                                                  R-squared       =     0.8849
                                                  Adj R-squared   =     0.8276
                                                  Within R-sq.    =     0.0099
Number of clusters (district_fixed) =        319  Root MSE        =     9.5493

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
demvotesma~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8652173   .2734199     3.16   0.002     .3272767    1.403158
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_count_tu |       6.92    0.0089 |        7.56   0.0060 |        6.92

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=6.49     P-val=0.0108

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     123.94
Kleibergen-Paap Wald rk F statistic                                 6.92

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=      10.01     P-val=0.0017
Anderson-Rubin Wald test           Chi-sq(1)=     10.93     P-val=0.0009
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     3.90
                                                      Prob > F      =   0.0490
Total (centered) SS     =   78105.0974                Centered R2   =   0.8737
Total (uncentered) SS   =   78105.0974                Uncentered R2 =        .
Residual SS             =  84870.38651                Root MSE      =       10

-------------------------------------------------------------------------------
----
                  |               Robust
demvotesmajorpe~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0261014   .0132101     1.98   0.049     .0001111    .052
> 0917
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):              6.493
                                                   Chi-sq(1) P-val =    0.0108
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              123.936
                         (Kleibergen-Paap rk Wald F statistic):          6.924
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          103             103              0     | 
   district_fixed |            0             319            319 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      30.53
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8798
                                                  Adj R-squared   =     0.8200
                                                  Within R-sq.    =     0.0554
Number of clusters (district_fixed) =        319  Root MSE        =     0.7385

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1617487   .0292736     5.53   0.000     .1041543    .2193432
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       0.02
Statistics robust to heteroskedasticity           Prob > F        =     0.8829
                                                  R-squared       =     0.8838
                                                  Adj R-squared   =     0.8259
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        319  Root MSE        =     9.5970

                                 (Std. Err. adjusted for 319 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
  demvotesmajorpercent |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.0614346    .416751    -0.15   0.883    -.8813722   
>   .758503
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          103             103              0     | 
        district_fixed |            0             319            319 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      10.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0017
                                                  R-squared       =     0.8849
                                                  Adj R-squared   =     0.8276
                                                  Within R-sq.    =     0.0099
Number of clusters (district_fixed) =        319  Root MSE        =     9.5493

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
demvotesma~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8652173   .2734199     3.16   0.002     .3272767    1.403158
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_lncapaci |      30.53    0.0000 |       33.33   0.0000 |       30.53

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=22.67    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      68.51
Kleibergen-Paap Wald rk F statistic                                30.53

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=      10.01     P-val=0.0017
Anderson-Rubin Wald test           Chi-sq(1)=     10.93     P-val=0.0009
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     7.45
                                                      Prob > F      =   0.0067
Total (centered) SS     =   78105.0974                Centered R2   =   0.8624
Total (uncentered) SS   =   78105.0974                Uncentered R2 =        .
Residual SS             =  92438.85623                Root MSE      =    10.44

-------------------------------------------------------------------------------
---------
                       |               Robust
  demvotesmajorpercent |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   5.349144   1.959913     2.73   0.007     1.493109   
>   9.20518
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             22.673
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               68.506
                         (Kleibergen-Paap rk Wald F statistic):         30.530
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          103             103              0     | 
        district_fixed |            0             319            319 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      30.07
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9137
                                                  Adj R-squared   =     0.8708
                                                  Within R-sq.    =     0.0566
Number of clusters (district_fixed) =        319  Root MSE        =     0.6431

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1423271    .025953     5.48   0.000     .0912658    .1933885
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       0.00
Statistics robust to heteroskedasticity           Prob > F        =     0.9870
                                                  R-squared       =     0.8838
                                                  Adj R-squared   =     0.8259
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        319  Root MSE        =     9.5971

                              (Std. Err. adjusted for 319 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
demvotesmajorperc~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |    .007496   .4598424     0.02   0.987    -.8972218    .9
> 122138
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          103             103              0     | 
     district_fixed |            0             319            319 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      10.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0017
                                                  R-squared       =     0.8849
                                                  Adj R-squared   =     0.8276
                                                  Within R-sq.    =     0.0099
Number of clusters (district_fixed) =        319  Root MSE        =     9.5493

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
demvotesma~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8652173   .2734199     3.16   0.002     .3272767    1.403158
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_lncount_ |      30.07    0.0000 |       32.83   0.0000 |       30.07

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=23.64    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      69.97
Kleibergen-Paap Wald rk F statistic                                30.07

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=      10.01     P-val=0.0017
Anderson-Rubin Wald test           Chi-sq(1)=     10.93     P-val=0.0009
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     7.40
                                                      Prob > F      =   0.0069
Total (centered) SS     =   78105.0974                Centered R2   =   0.8634
Total (uncentered) SS   =   78105.0974                Uncentered R2 =        .
Residual SS             =   91807.0511                Root MSE      =     10.4

-------------------------------------------------------------------------------
------
                    |               Robust
demvotesmajorperc~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   6.079075   2.235306     2.72   0.007     1.681217    10
> .47693
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             23.639
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               69.965
                         (Kleibergen-Paap rk Wald F statistic):         30.075
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          103             103              0     | 
     district_fixed |            0             319            319 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
capacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       7.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0060
                                                  R-squared       =     0.7341
                                                  Adj R-squared   =     0.6018
                                                  Within R-sq.    =     0.1020
Number of clusters (district_fixed) =        319  Root MSE        =   180.8348

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   55.07583   19.88988     2.77   0.006     15.94345    94.20821
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       0.72
Statistics robust to heteroskedasticity           Prob > F        =     0.3957
                                                  R-squared       =     0.8838
                                                  Adj R-squared   =     0.8260
                                                  Within R-sq.    =     0.0008
Number of clusters (district_fixed) =        319  Root MSE        =     9.5934

                               (Std. Err. adjusted for 319 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
repvotesmajorpercent |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   -.001403   .0016498    -0.85   0.396    -.0046489    .
> 0018428
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          103             103              0     | 
      district_fixed |            0             319            319 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      10.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0017
                                                  R-squared       =     0.8849
                                                  Adj R-squared   =     0.8276
                                                  Within R-sq.    =     0.0099
Number of clusters (district_fixed) =        319  Root MSE        =     9.5493

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
repvotesma~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -.8652173   .2734199    -3.16   0.002    -1.403158   -.3272767
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_capacity |       7.67    0.0060 |        8.37   0.0038 |        7.67

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=7.08     P-val=0.0078

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     132.48
Kleibergen-Paap Wald rk F statistic                                 7.67

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=      10.01     P-val=0.0017
Anderson-Rubin Wald test           Chi-sq(1)=     10.93     P-val=0.0009
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     4.17
                                                      Prob > F      =   0.0420
Total (centered) SS     =  78105.09811                Centered R2   =   0.8744
Total (uncentered) SS   =  78105.09811                Uncentered R2 =        .
Residual SS             =  84364.48612                Root MSE      =    9.974

-------------------------------------------------------------------------------
-------
                     |               Robust
repvotesmajorpercent |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0157096    .007695    -2.04   0.042    -.0308492   -.
> 0005699
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):              7.084
                                                   Chi-sq(1) P-val =    0.0078
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              132.484
                         (Kleibergen-Paap rk Wald F statistic):          7.668
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          103             103              0     | 
      district_fixed |            0             319            319 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       6.92
Statistics robust to heteroskedasticity           Prob > F        =     0.0089
                                                  R-squared       =     0.9493
                                                  Adj R-squared   =     0.9241
                                                  Within R-sq.    =     0.0960
Number of clusters (district_fixed) =        319  Root MSE        =   112.5290

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   33.14829   12.59721     2.63   0.009     8.363888    57.93268
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       0.66
Statistics robust to heteroskedasticity           Prob > F        =     0.4184
                                                  R-squared       =     0.8838
                                                  Adj R-squared   =     0.8260
                                                  Within R-sq.    =     0.0007
Number of clusters (district_fixed) =        319  Root MSE        =     9.5938

                            (Std. Err. adjusted for 319 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
repvotesmajorpe~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0021405   .0026417    -0.81   0.418    -.0073378    .003
> 0569
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          103             103              0     | 
   district_fixed |            0             319            319 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      10.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0017
                                                  R-squared       =     0.8849
                                                  Adj R-squared   =     0.8276
                                                  Within R-sq.    =     0.0099
Number of clusters (district_fixed) =        319  Root MSE        =     9.5493

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
repvotesma~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -.8652173   .2734199    -3.16   0.002    -1.403158   -.3272767
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_count_tu |       6.92    0.0089 |        7.56   0.0060 |        6.92

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=6.49     P-val=0.0108

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     123.94
Kleibergen-Paap Wald rk F statistic                                 6.92

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=      10.01     P-val=0.0017
Anderson-Rubin Wald test           Chi-sq(1)=     10.93     P-val=0.0009
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     3.90
                                                      Prob > F      =   0.0490
Total (centered) SS     =  78105.09811                Centered R2   =   0.8737
Total (uncentered) SS   =  78105.09811                Uncentered R2 =        .
Residual SS             =   84870.3866                Root MSE      =       10

-------------------------------------------------------------------------------
----
                  |               Robust
repvotesmajorpe~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0261014   .0132101    -1.98   0.049    -.0520917   -.000
> 1111
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):              6.493
                                                   Chi-sq(1) P-val =    0.0108
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              123.936
                         (Kleibergen-Paap rk Wald F statistic):          6.924
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          103             103              0     | 
   district_fixed |            0             319            319 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      30.53
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8798
                                                  Adj R-squared   =     0.8200
                                                  Within R-sq.    =     0.0554
Number of clusters (district_fixed) =        319  Root MSE        =     0.7385

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1617487   .0292736     5.53   0.000     .1041543    .2193432
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       0.02
Statistics robust to heteroskedasticity           Prob > F        =     0.8829
                                                  R-squared       =     0.8838
                                                  Adj R-squared   =     0.8259
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        319  Root MSE        =     9.5970

                                 (Std. Err. adjusted for 319 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
  repvotesmajorpercent |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   .0614346    .416751     0.15   0.883    -.7585031   
>  .8813722
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          103             103              0     | 
        district_fixed |            0             319            319 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      10.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0017
                                                  R-squared       =     0.8849
                                                  Adj R-squared   =     0.8276
                                                  Within R-sq.    =     0.0099
Number of clusters (district_fixed) =        319  Root MSE        =     9.5493

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
repvotesma~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -.8652173   .2734199    -3.16   0.002    -1.403158   -.3272767
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_lncapaci |      30.53    0.0000 |       33.33   0.0000 |       30.53

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=22.67    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      68.51
Kleibergen-Paap Wald rk F statistic                                30.53

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=      10.01     P-val=0.0017
Anderson-Rubin Wald test           Chi-sq(1)=     10.93     P-val=0.0009
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     7.45
                                                      Prob > F      =   0.0067
Total (centered) SS     =  78105.09811                Centered R2   =   0.8624
Total (uncentered) SS   =  78105.09811                Uncentered R2 =        .
Residual SS             =  92438.85564                Root MSE      =    10.44

-------------------------------------------------------------------------------
---------
                       |               Robust
  repvotesmajorpercent |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -5.349144   1.959913    -2.73   0.007     -9.20518   
> -1.493109
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             22.673
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               68.506
                         (Kleibergen-Paap rk Wald F statistic):         30.530
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          103             103              0     | 
        district_fixed |            0             319            319 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      30.07
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9137
                                                  Adj R-squared   =     0.8708
                                                  Within R-sq.    =     0.0566
Number of clusters (district_fixed) =        319  Root MSE        =     0.6431

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1423271    .025953     5.48   0.000     .0912658    .1933885
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       0.00
Statistics robust to heteroskedasticity           Prob > F        =     0.9870
                                                  R-squared       =     0.8838
                                                  Adj R-squared   =     0.8259
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        319  Root MSE        =     9.5971

                              (Std. Err. adjusted for 319 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
repvotesmajorperc~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   -.007496   .4598424    -0.02   0.987    -.9122138    .8
> 972218
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          103             103              0     | 
     district_fixed |            0             319            319 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      10.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0017
                                                  R-squared       =     0.8849
                                                  Adj R-squared   =     0.8276
                                                  Within R-sq.    =     0.0099
Number of clusters (district_fixed) =        319  Root MSE        =     9.5493

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
repvotesma~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -.8652173   .2734199    -3.16   0.002    -1.403158   -.3272767
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_lncount_ |      30.07    0.0000 |       32.83   0.0000 |       30.07

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=23.64    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      69.97
Kleibergen-Paap Wald rk F statistic                                30.07

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=      10.01     P-val=0.0017
Anderson-Rubin Wald test           Chi-sq(1)=     10.93     P-val=0.0009
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     7.40
                                                      Prob > F      =   0.0069
Total (centered) SS     =  78105.09811                Centered R2   =   0.8634
Total (uncentered) SS   =  78105.09811                Uncentered R2 =        .
Residual SS             =  91807.05052                Root MSE      =     10.4

-------------------------------------------------------------------------------
------
                    |               Robust
repvotesmajorperc~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -6.079074   2.235306    -2.72   0.007    -10.47693   -1.
> 681217
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             23.639
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               69.965
                         (Kleibergen-Paap rk Wald F statistic):         30.075
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          103             103              0     | 
     district_fixed |            0             319            319 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
capacity
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 8 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       6.99
Statistics robust to heteroskedasticity           Prob > F        =     0.0086
                                                  R-squared       =     0.7366
                                                  Adj R-squared   =     0.5903
                                                  Within R-sq.    =     0.1023
Number of clusters (district_fixed) =        317  Root MSE        =   190.7800

                       (Std. Err. adjusted for 317 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   57.62759    21.7983     2.64   0.009     14.73945    100.5157
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           97              97              0     | 
 district_fixed |            0             317            317 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       6.21
Statistics robust to heteroskedasticity           Prob > F        =     0.0132
                                                  R-squared       =     0.6925
                                                  Adj R-squared   =     0.5216
                                                  Within R-sq.    =     0.0028
Number of clusters (district_fixed) =        317  Root MSE        =     9.9010

                               (Std. Err. adjusted for 317 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
incumbvotesmajorpe~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0026135    .001049    -2.49   0.013    -.0046773   -.
> 0005496
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |           97              97              0     | 
      district_fixed |            0             317            317 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       0.01
Statistics robust to heteroskedasticity           Prob > F        =     0.9423
                                                  R-squared       =     0.6916
                                                  Adj R-squared   =     0.5202
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        317  Root MSE        =     9.9149

                       (Std. Err. adjusted for 317 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
incumbvote~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .025664   .3541839     0.07   0.942    -.6711928    .7225207
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           97              97              0     | 
 district_fixed |            0             317            317 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   316)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   316)
cum_capacity |       6.99    0.0086 |        7.65   0.0057 |        6.99

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=6.57     P-val=0.0104

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     120.99
Kleibergen-Paap Wald rk F statistic                                 6.99

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,316)=       0.01     P-val=0.9423
Anderson-Rubin Wald test           Chi-sq(1)=      0.01     P-val=0.9396
Stock-Wright LM S statistic        Chi-sq(1)=      0.01     P-val=0.9396

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        317
Number of observations               N  =       1160
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    317          Number of obs =     1160
                                                      F(  1,   316) =     0.01
                                                      Prob > F      =   0.9427
Total (centered) SS     =  73238.43614                Centered R2   =   0.6913
Total (uncentered) SS   =  73238.43614                Uncentered R2 =        .
Residual SS             =  73314.73681                Root MSE      =     9.92

-------------------------------------------------------------------------------
-------
                     |               Robust
incumbvotesmajorpe~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0004453   .0061879     0.07   0.943    -.0117293     
>  .01262
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):              6.571
                                                   Chi-sq(1) P-val =    0.0104
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              120.994
                         (Kleibergen-Paap rk Wald F statistic):          6.989
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |           97              97              0     | 
      district_fixed |            0             317            317 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 8 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       6.36
Statistics robust to heteroskedasticity           Prob > F        =     0.0121
                                                  R-squared       =     0.9458
                                                  Adj R-squared   =     0.9157
                                                  Within R-sq.    =     0.0971
Number of clusters (district_fixed) =        317  Root MSE        =   118.8511

                       (Std. Err. adjusted for 317 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   34.88243   13.82682     2.52   0.012     7.678171    62.08669
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           97              97              0     | 
 district_fixed |            0             317            317 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       7.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0060
                                                  R-squared       =     0.6925
                                                  Adj R-squared   =     0.5216
                                                  Within R-sq.    =     0.0030
Number of clusters (district_fixed) =        317  Root MSE        =     9.9003

                            (Std. Err. adjusted for 317 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
incumbvotesmajo~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0043092   .0015564    -2.77   0.006    -.0073714    -.00
> 1247
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |           97              97              0     | 
   district_fixed |            0             317            317 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       0.01
Statistics robust to heteroskedasticity           Prob > F        =     0.9423
                                                  R-squared       =     0.6916
                                                  Adj R-squared   =     0.5202
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        317  Root MSE        =     9.9149

                       (Std. Err. adjusted for 317 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
incumbvote~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .025664   .3541839     0.07   0.942    -.6711928    .7225207
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           97              97              0     | 
 district_fixed |            0             317            317 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   316)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   316)
cum_count_tu |       6.36    0.0121 |        6.97   0.0083 |        6.36

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=6.06     P-val=0.0139

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     114.23
Kleibergen-Paap Wald rk F statistic                                 6.36

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,316)=       0.01     P-val=0.9423
Anderson-Rubin Wald test           Chi-sq(1)=      0.01     P-val=0.9396
Stock-Wright LM S statistic        Chi-sq(1)=      0.01     P-val=0.9396

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        317
Number of observations               N  =       1160
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    317          Number of obs =     1160
                                                      F(  1,   316) =     0.01
                                                      Prob > F      =   0.9427
Total (centered) SS     =  73238.43614                Centered R2   =   0.6913
Total (uncentered) SS   =  73238.43614                Uncentered R2 =        .
Residual SS             =  73318.65005                Root MSE      =     9.92

-------------------------------------------------------------------------------
----
                  |               Robust
incumbvotesmajo~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0007357    .010225     0.07   0.943    -.0193819    .020
> 8533
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):              6.057
                                                   Chi-sq(1) P-val =    0.0139
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              114.228
                         (Kleibergen-Paap rk Wald F statistic):          6.365
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |           97              97              0     | 
   district_fixed |            0             317            317 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 8 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =      25.45
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8872
                                                  Adj R-squared   =     0.8245
                                                  Within R-sq.    =     0.0548
Number of clusters (district_fixed) =        317  Root MSE        =     0.7303

                       (Std. Err. adjusted for 317 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .157393   .0311975     5.05   0.000      .096012    .2187741
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           97              97              0     | 
 district_fixed |            0             317            317 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       1.57
Statistics robust to heteroskedasticity           Prob > F        =     0.2110
                                                  R-squared       =     0.6921
                                                  Adj R-squared   =     0.5210
                                                  Within R-sq.    =     0.0017
Number of clusters (district_fixed) =        317  Root MSE        =     9.9064

                                 (Std. Err. adjusted for 317 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
incumbvotesmajorperc~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.5470853   .4365131    -1.25   0.211    -1.405925   
>  .3117539
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |           97              97              0     | 
        district_fixed |            0             317            317 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       0.01
Statistics robust to heteroskedasticity           Prob > F        =     0.9423
                                                  R-squared       =     0.6916
                                                  Adj R-squared   =     0.5202
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        317  Root MSE        =     9.9149

                       (Std. Err. adjusted for 317 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
incumbvote~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .025664   .3541839     0.07   0.942    -.6711928    .7225207
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           97              97              0     | 
 district_fixed |            0             317            317 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   316)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   316)
cum_lncapaci |      25.45    0.0000 |       27.87   0.0000 |       25.45

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=20.16    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      61.59
Kleibergen-Paap Wald rk F statistic                                25.45

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,316)=       0.01     P-val=0.9423
Anderson-Rubin Wald test           Chi-sq(1)=      0.01     P-val=0.9396
Stock-Wright LM S statistic        Chi-sq(1)=      0.01     P-val=0.9396

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        317
Number of observations               N  =       1160
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    317          Number of obs =     1160
                                                      F(  1,   316) =     0.01
                                                      Prob > F      =   0.9424
Total (centered) SS     =  73238.43614                Centered R2   =   0.6912
Total (uncentered) SS   =  73238.43614                Uncentered R2 =        .
Residual SS             =  73324.61516                Root MSE      =    9.921

-------------------------------------------------------------------------------
---------
                       |               Robust
incumbvotesmajorperc~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   .1630565   2.254174     0.07   0.942    -4.272029   
>  4.598142
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             20.157
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               61.593
                         (Kleibergen-Paap rk Wald F statistic):         25.453
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |           97              97              0     | 
        district_fixed |            0             317            317 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 8 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =      25.46
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9189
                                                  Adj R-squared   =     0.8738
                                                  Within R-sq.    =     0.0560
Number of clusters (district_fixed) =        317  Root MSE        =     0.6370

                       (Std. Err. adjusted for 317 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1388857   .0275229     5.05   0.000     .0847345     .193037
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           97              97              0     | 
 district_fixed |            0             317            317 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       0.87
Statistics robust to heteroskedasticity           Prob > F        =     0.3530
                                                  R-squared       =     0.6919
                                                  Adj R-squared   =     0.5207
                                                  Within R-sq.    =     0.0009
Number of clusters (district_fixed) =        317  Root MSE        =     9.9104

                              (Std. Err. adjusted for 317 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
incumbvotesmajorp~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -.4613032   .4959473    -0.93   0.353    -1.437079    .5
> 144728
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |           97              97              0     | 
     district_fixed |            0             317            317 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,160
Absorbing 2 HDFE groups                           F(   1,    316) =       0.01
Statistics robust to heteroskedasticity           Prob > F        =     0.9423
                                                  R-squared       =     0.6916
                                                  Adj R-squared   =     0.5202
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        317  Root MSE        =     9.9149

                       (Std. Err. adjusted for 317 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
incumbvote~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .025664   .3541839     0.07   0.942    -.6711928    .7225207
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           97              97              0     | 
 district_fixed |            0             317            317 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   316)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   316)
cum_lncount_ |      25.46    0.0000 |       27.88   0.0000 |       25.46

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=21.35    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      63.04
Kleibergen-Paap Wald rk F statistic                                25.46

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,316)=       0.01     P-val=0.9423
Anderson-Rubin Wald test           Chi-sq(1)=      0.01     P-val=0.9396
Stock-Wright LM S statistic        Chi-sq(1)=      0.01     P-val=0.9396

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        317
Number of observations               N  =       1160
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    317          Number of obs =     1160
                                                      F(  1,   316) =     0.01
                                                      Prob > F      =   0.9424
Total (centered) SS     =  73238.43614                Centered R2   =   0.6913
Total (uncentered) SS   =  73238.43614                Uncentered R2 =        .
Residual SS             =  73303.96196                Root MSE      =    9.919

-------------------------------------------------------------------------------
------
                    |               Robust
incumbvotesmajorp~t |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   .1847847   2.554347     0.07   0.942    -4.840892    5.
> 210462
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             21.351
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               63.043
                         (Kleibergen-Paap rk Wald F statistic):         25.464
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |           97              97              0     | 
     district_fixed |            0             317            317 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
capacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       7.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0060
                                                  R-squared       =     0.7341
                                                  Adj R-squared   =     0.6018
                                                  Within R-sq.    =     0.1020
Number of clusters (district_fixed) =        319  Root MSE        =   180.8348

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   55.07583   19.88988     2.77   0.006     15.94345    94.20821
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       1.23
Statistics robust to heteroskedasticity           Prob > F        =     0.2683
                                                  R-squared       =     0.9637
                                                  Adj R-squared   =     0.9456
                                                  Within R-sq.    =     0.0004
Number of clusters (district_fixed) =        319  Root MSE        = 16044.5392

                               (Std. Err. adjusted for 319 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
             turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -1.601548   1.444328    -1.11   0.268    -4.443194    1
> .240097
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          103             103              0     | 
      district_fixed |            0             319            319 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       1.98
Statistics robust to heteroskedasticity           Prob > F        =     0.1599
                                                  R-squared       =     0.9637
                                                  Adj R-squared   =     0.9457
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        319  Root MSE        = 16032.0739

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -634.8378   450.6616    -1.41   0.160    -1521.493    251.8173
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_capacity |       7.67    0.0060 |        8.37   0.0038 |        7.67

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=7.08     P-val=0.0078

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     132.48
Kleibergen-Paap Wald rk F statistic                                 7.67

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=       1.98     P-val=0.1599
Anderson-Rubin Wald test           Chi-sq(1)=      2.17     P-val=0.1411
Stock-Wright LM S statistic        Chi-sq(1)=      2.01     P-val=0.1564

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     1.48
                                                      Prob > F      =   0.2252
Total (centered) SS     =  2.18378e+11                Centered R2   =   0.9632
Total (uncentered) SS   =  2.18378e+11                Uncentered R2 =        .
Residual SS             =  2.21340e+11                Root MSE      =    16156

-------------------------------------------------------------------------------
-------
                     |               Robust
             turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -11.52661   9.485134    -1.22   0.225    -30.18816    7
> .134932
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):              7.084
                                                   Chi-sq(1) P-val =    0.0078
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              132.484
                         (Kleibergen-Paap rk Wald F statistic):          7.668
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          103             103              0     | 
      district_fixed |            0             319            319 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       6.92
Statistics robust to heteroskedasticity           Prob > F        =     0.0089
                                                  R-squared       =     0.9493
                                                  Adj R-squared   =     0.9241
                                                  Within R-sq.    =     0.0960
Number of clusters (district_fixed) =        319  Root MSE        =   112.5290

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   33.14829   12.59721     2.63   0.009     8.363888    57.93268
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       1.47
Statistics robust to heteroskedasticity           Prob > F        =     0.2267
                                                  R-squared       =     0.9637
                                                  Adj R-squared   =     0.9456
                                                  Within R-sq.    =     0.0004
Number of clusters (district_fixed) =        319  Root MSE        = 16044.3558

                            (Std. Err. adjusted for 319 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
          turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -2.662287   2.198033    -1.21   0.227    -6.986812    1.66
> 2238
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          103             103              0     | 
   district_fixed |            0             319            319 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       1.98
Statistics robust to heteroskedasticity           Prob > F        =     0.1599
                                                  R-squared       =     0.9637
                                                  Adj R-squared   =     0.9457
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        319  Root MSE        = 16032.0739

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -634.8378   450.6616    -1.41   0.160    -1521.493    251.8173
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_count_tu |       6.92    0.0089 |        7.56   0.0060 |        6.92

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=6.49     P-val=0.0108

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     123.94
Kleibergen-Paap Wald rk F statistic                                 6.92

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=       1.98     P-val=0.1599
Anderson-Rubin Wald test           Chi-sq(1)=      2.17     P-val=0.1411
Stock-Wright LM S statistic        Chi-sq(1)=      2.01     P-val=0.1564

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     1.45
                                                      Prob > F      =   0.2291
Total (centered) SS     =  2.18378e+11                Centered R2   =   0.9631
Total (uncentered) SS   =  2.18378e+11                Uncentered R2 =        .
Residual SS             =  2.21523e+11                Root MSE      =    16163

-------------------------------------------------------------------------------
----
                  |               Robust
          turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -19.15145   15.89194    -1.21   0.229    -50.41809    12.1
> 1518
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):              6.493
                                                   Chi-sq(1) P-val =    0.0108
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              123.936
                         (Kleibergen-Paap rk Wald F statistic):          6.924
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          103             103              0     | 
   district_fixed |            0             319            319 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      30.53
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8798
                                                  Adj R-squared   =     0.8200
                                                  Within R-sq.    =     0.0554
Number of clusters (district_fixed) =        319  Root MSE        =     0.7385

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1617487   .0292736     5.53   0.000     .1041543    .2193432
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       1.11
Statistics robust to heteroskedasticity           Prob > F        =     0.2918
                                                  R-squared       =     0.9637
                                                  Adj R-squared   =     0.9456
                                                  Within R-sq.    =     0.0010
Number of clusters (district_fixed) =        319  Root MSE        = 16039.4978

                                 (Std. Err. adjusted for 319 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
               turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -664.7056   629.5303    -1.06   0.292    -1903.276   
>  573.8651
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          103             103              0     | 
        district_fixed |            0             319            319 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       1.98
Statistics robust to heteroskedasticity           Prob > F        =     0.1599
                                                  R-squared       =     0.9637
                                                  Adj R-squared   =     0.9457
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        319  Root MSE        = 16032.0739

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -634.8378   450.6616    -1.41   0.160    -1521.493    251.8173
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_lncapaci |      30.53    0.0000 |       33.33   0.0000 |       30.53

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=22.67    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      68.51
Kleibergen-Paap Wald rk F statistic                                30.53

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=       1.98     P-val=0.1599
Anderson-Rubin Wald test           Chi-sq(1)=      2.17     P-val=0.1411
Stock-Wright LM S statistic        Chi-sq(1)=      2.01     P-val=0.1564

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     1.88
                                                      Prob > F      =   0.1709
Total (centered) SS     =  2.18378e+11                Centered R2   =   0.9628
Total (uncentered) SS   =  2.18378e+11                Uncentered R2 =        .
Residual SS             =  2.23366e+11                Root MSE      =    16230

-------------------------------------------------------------------------------
---------
                       |               Robust
               turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   -3924.84   2859.521    -1.37   0.171     -9550.81   
>  1701.131
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             22.673
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               68.506
                         (Kleibergen-Paap rk Wald F statistic):         30.530
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          103             103              0     | 
        district_fixed |            0             319            319 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =      30.07
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9137
                                                  Adj R-squared   =     0.8708
                                                  Within R-sq.    =     0.0566
Number of clusters (district_fixed) =        319  Root MSE        =     0.6431

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1423271    .025953     5.48   0.000     .0912658    .1933885
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       1.42
Statistics robust to heteroskedasticity           Prob > F        =     0.2341
                                                  R-squared       =     0.9637
                                                  Adj R-squared   =     0.9456
                                                  Within R-sq.    =     0.0013
Number of clusters (district_fixed) =        319  Root MSE        = 16037.2143

                              (Std. Err. adjusted for 319 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
            turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -865.5782   726.0262    -1.19   0.234        -2294    56
> 2.8434
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          103             103              0     | 
     district_fixed |            0             319            319 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,271
Absorbing 2 HDFE groups                           F(   1,    318) =       1.98
Statistics robust to heteroskedasticity           Prob > F        =     0.1599
                                                  R-squared       =     0.9637
                                                  Adj R-squared   =     0.9457
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        319  Root MSE        = 16032.0739

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -634.8378   450.6616    -1.41   0.160    -1521.493    251.8173
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_lncount_ |      30.07    0.0000 |       32.83   0.0000 |       30.07

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=23.64    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      69.97
Kleibergen-Paap Wald rk F statistic                                30.07

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=       1.98     P-val=0.1599
Anderson-Rubin Wald test           Chi-sq(1)=      2.17     P-val=0.1411
Stock-Wright LM S statistic        Chi-sq(1)=      2.01     P-val=0.1564

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1271
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1271
                                                      F(  1,   318) =     1.88
                                                      Prob > F      =   0.1710
Total (centered) SS     =  2.18378e+11                Centered R2   =   0.9629
Total (uncentered) SS   =  2.18378e+11                Uncentered R2 =        .
Residual SS             =  2.22902e+11                Root MSE      =    16213

-------------------------------------------------------------------------------
------
                    |               Robust
            turnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -4460.413   3251.065    -1.37   0.171    -10856.73    19
> 35.901
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             23.639
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               69.965
                         (Kleibergen-Paap rk Wald F statistic):         30.075
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          103             103              0     | 
     district_fixed |            0             319            319 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
capacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 6 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       7.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0060
                                                  R-squared       =     0.7340
                                                  Adj R-squared   =     0.6015
                                                  Within R-sq.    =     0.1020
Number of clusters (district_fixed) =        319  Root MSE        =   180.9400

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   55.08724   19.89712     2.77   0.006     15.94062    94.23386
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       2.03
Statistics robust to heteroskedasticity           Prob > F        =     0.1551
                                                  R-squared       =     0.9642
                                                  Adj R-squared   =     0.9463
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        319  Root MSE        =     0.0796

                               (Std. Err. adjusted for 319 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
           lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -9.51e-06   6.67e-06    -1.43   0.155    -.0000226    3
> .62e-06
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          103             103              0     | 
      district_fixed |            0             319            319 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       0.63
Statistics robust to heteroskedasticity           Prob > F        =     0.4294
                                                  R-squared       =     0.9642
                                                  Adj R-squared   =     0.9463
                                                  Within R-sq.    =     0.0004
Number of clusters (district_fixed) =        319  Root MSE        =     0.0796

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
   lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -.0015197   .0019208    -0.79   0.429    -.0052987    .0022594
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_capacity |       7.67    0.0060 |        8.37   0.0038 |        7.67

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=7.08     P-val=0.0078

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     132.39
Kleibergen-Paap Wald rk F statistic                                 7.67

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=       0.63     P-val=0.4294
Anderson-Rubin Wald test           Chi-sq(1)=      0.68     P-val=0.4084
Stock-Wright LM S statistic        Chi-sq(1)=      0.62     P-val=0.4296

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1270
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1270
                                                      F(  1,   318) =     0.56
                                                      Prob > F      =   0.4552
Total (centered) SS     =  5.371855681                Centered R2   =   0.9641
Total (uncentered) SS   =  5.371855681                Uncentered R2 =        .
Residual SS             =  5.379159705                Root MSE      =   .07969

-------------------------------------------------------------------------------
-------
                     |               Robust
           lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0000276   .0000369    -0.75   0.455    -.0001002     
> .000045
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):              7.077
                                                   Chi-sq(1) P-val =    0.0078
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              132.390
                         (Kleibergen-Paap rk Wald F statistic):          7.665
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          103             103              0     | 
      district_fixed |            0             319            319 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 6 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       6.92
Statistics robust to heteroskedasticity           Prob > F        =     0.0090
                                                  R-squared       =     0.9493
                                                  Adj R-squared   =     0.9240
                                                  Within R-sq.    =     0.0960
Number of clusters (district_fixed) =        319  Root MSE        =   112.5953

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   33.14609   12.60246     2.63   0.009     8.351347    57.94082
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       2.10
Statistics robust to heteroskedasticity           Prob > F        =     0.1484
                                                  R-squared       =     0.9642
                                                  Adj R-squared   =     0.9463
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        319  Root MSE        =     0.0796

                            (Std. Err. adjusted for 319 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
        lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0000144   9.94e-06    -1.45   0.148     -.000034    5.16
> e-06
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          103             103              0     | 
   district_fixed |            0             319            319 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       0.63
Statistics robust to heteroskedasticity           Prob > F        =     0.4294
                                                  R-squared       =     0.9642
                                                  Adj R-squared   =     0.9463
                                                  Within R-sq.    =     0.0004
Number of clusters (district_fixed) =        319  Root MSE        =     0.0796

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
   lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -.0015197   .0019208    -0.79   0.429    -.0052987    .0022594
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_count_tu |       6.92    0.0090 |        7.55   0.0060 |        6.92

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=6.48     P-val=0.0109

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     123.78
Kleibergen-Paap Wald rk F statistic                                 6.92

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=       0.63     P-val=0.4294
Anderson-Rubin Wald test           Chi-sq(1)=      0.68     P-val=0.4084
Stock-Wright LM S statistic        Chi-sq(1)=      0.62     P-val=0.4296

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1270
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1270
                                                      F(  1,   318) =     0.55
                                                      Prob > F      =   0.4577
Total (centered) SS     =  5.371855681                Centered R2   =   0.9641
Total (uncentered) SS   =  5.371855681                Uncentered R2 =        .
Residual SS             =  5.381133006                Root MSE      =   .07971

-------------------------------------------------------------------------------
----
                  |               Robust
        lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0000458   .0000617    -0.74   0.458    -.0001672    .000
> 0755
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):              6.483
                                                   Chi-sq(1) P-val =    0.0109
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              123.778
                         (Kleibergen-Paap rk Wald F statistic):          6.918
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          103             103              0     | 
   district_fixed |            0             319            319 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 6 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =      30.25
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8793
                                                  Adj R-squared   =     0.8192
                                                  Within R-sq.    =     0.0552
Number of clusters (district_fixed) =        319  Root MSE        =     0.7383

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1612546   .0293183     5.50   0.000     .1035723     .218937
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       0.50
Statistics robust to heteroskedasticity           Prob > F        =     0.4809
                                                  R-squared       =     0.9642
                                                  Adj R-squared   =     0.9463
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        319  Root MSE        =     0.0796

                                 (Std. Err. adjusted for 319 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
             lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.0018868   .0026735    -0.71   0.481    -.0071468   
>  .0033732
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          103             103              0     | 
        district_fixed |            0             319            319 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       0.63
Statistics robust to heteroskedasticity           Prob > F        =     0.4294
                                                  R-squared       =     0.9642
                                                  Adj R-squared   =     0.9463
                                                  Within R-sq.    =     0.0004
Number of clusters (district_fixed) =        319  Root MSE        =     0.0796

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
   lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -.0015197   .0019208    -0.79   0.429    -.0052987    .0022594
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_lncapaci |      30.25    0.0000 |       33.03   0.0000 |       30.25

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=22.34    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      68.14
Kleibergen-Paap Wald rk F statistic                                30.25

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=       0.63     P-val=0.4294
Anderson-Rubin Wald test           Chi-sq(1)=      0.68     P-val=0.4084
Stock-Wright LM S statistic        Chi-sq(1)=      0.62     P-val=0.4296

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1270
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1270
                                                      F(  1,   318) =     0.63
                                                      Prob > F      =   0.4272
Total (centered) SS     =  5.371855681                Centered R2   =   0.9640
Total (uncentered) SS   =  5.371855681                Uncentered R2 =        .
Residual SS             =   5.39787538                Root MSE      =   .07983

-------------------------------------------------------------------------------
---------
                       |               Robust
             lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   -.009424   .0118544    -0.79   0.427     -.032747   
>  .0138991
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             22.344
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               68.140
                         (Kleibergen-Paap rk Wald F statistic):         30.251
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          103             103              0     | 
        district_fixed |            0             319            319 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 6 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =      29.74
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9136
                                                  Adj R-squared   =     0.8705
                                                  Within R-sq.    =     0.0563
Number of clusters (district_fixed) =        319  Root MSE        =     0.6425

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1417991   .0260008     5.45   0.000     .0906438    .1929544
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       0.59
Statistics robust to heteroskedasticity           Prob > F        =     0.4442
                                                  R-squared       =     0.9642
                                                  Adj R-squared   =     0.9463
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        319  Root MSE        =     0.0796

                              (Std. Err. adjusted for 319 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
          lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   -.002237   .0029203    -0.77   0.444    -.0079825    .0
> 035085
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          103             103              0     | 
     district_fixed |            0             319            319 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,270
Absorbing 2 HDFE groups                           F(   1,    318) =       0.63
Statistics robust to heteroskedasticity           Prob > F        =     0.4294
                                                  R-squared       =     0.9642
                                                  Adj R-squared   =     0.9463
                                                  Within R-sq.    =     0.0004
Number of clusters (district_fixed) =        319  Root MSE        =     0.0796

                       (Std. Err. adjusted for 319 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
   lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -.0015197   .0019208    -0.79   0.429    -.0052987    .0022594
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          103             103              0     | 
 district_fixed |            0             319            319 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   318)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   318)
cum_lncount_ |      29.74    0.0000 |       32.47   0.0000 |       29.74

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=23.22    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      69.57
Kleibergen-Paap Wald rk F statistic                                29.74

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,318)=       0.63     P-val=0.4294
Anderson-Rubin Wald test           Chi-sq(1)=      0.68     P-val=0.4084
Stock-Wright LM S statistic        Chi-sq(1)=      0.62     P-val=0.4296

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        319
Number of observations               N  =       1270
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    319          Number of obs =     1270
                                                      F(  1,   318) =     0.63
                                                      Prob > F      =   0.4293
Total (centered) SS     =  5.371855681                Centered R2   =   0.9640
Total (uncentered) SS   =  5.371855681                Uncentered R2 =        .
Residual SS             =  5.396645528                Root MSE      =   .07982

-------------------------------------------------------------------------------
------
                    |               Robust
          lnturnout |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   -.010717   .0135411    -0.79   0.429    -.0373585    .0
> 159245
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             23.216
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               69.568
                         (Kleibergen-Paap rk Wald F statistic):         29.742
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          103             103              0     | 
     district_fixed |            0             319            319 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)

. 
. 
. *--------------------------- Export LaTeX tables ----------------------------
> -*
. cd "$rootDir/$resultDir/Tables"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Results/Tables

. 
. ** Compare OLS and IV estimates
. * OLS
. esttab dem_capacity_ols dem_count_ols rep_capacity_ols rep_count_ols ///
>                 inc_capacity_ols inc_count_ols using TableA11.tex, booktabs r
> eplace ///
>                 refcat(cum_capacity_turbine "\emph{Panel A: OLS}", nolabel) /
> //
>                 b(%9.3f) se noconstant noobs nonotes star(* 0.10 ** 0.05 *** 
> 0.01) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum
> _count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 mtitles("Model" "Model" "Model" "Model" "Model" "Model") ///
>                 mgroups("Democratic Vote" "Republican Vote" "Incumbent Vote",
>  pattern(1 0 1 0 1 0) prefix(\multicolumn{@span}{c}{) suffix(}) span erepeat(
> \cmidrule(lr){@span})) ///
>                 width(\hsize)
(output written to TableA11.tex)

.                 
. * IV
. esttab dem_capacity_iv dem_count_iv rep_capacity_iv rep_count_iv ///
>                 inc_capacity_iv inc_count_iv using TableA11.tex, booktabs app
> end ///
>                 nomtitles se noconstant nonotes legend nonumbers collabels(no
> ne) star(* 0.10 ** 0.05 *** 0.01) ///
>                 b(%9.3f) stats(N N_clust r2, labels("Observations" "Districts
> " "\(R^{2}\)") fmt(0 0 2)) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum
> _count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 refcat(cum_capacity_turbine "\emph{Panel B: IV}", nolabel) //
> /
>                 width(\hsize)
(output written to TableA11.tex)

. 
.                 
. ** Close log file
. log close
      name:  <unnamed>
       log:  /Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urp
> elainen Zhang)/JOP/UZ_JOP2021_Replication/Analysis/logSTATA/012_analysis_Texa
> s.smcl
  log type:  smcl
 closed on:   6 Nov 2021, 20:34:36
-------------------------------------------------------------------------------
